/**
 * 
 * Copyright (C) 2011 Cody Stoutenburg . All rights reserved.
 *
 *       This program is free software; you can redistribute it and/or
 *       modify it under the terms of the GNU Lesser General Public License
 *       as published by the Free Software Foundation; either version 2.1
 *       of the License, or (at your option) any later version.
 *
 *       This program is distributed in the hope that it will be useful,
 *       but WITHOUT ANY WARRANTY; without even the implied warranty of
 *       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *       GNU Lesser General Public License for more details.
 *
 *       You should have received a copy of the GNU Lesser General Public License
 *       along with this program; if not, write to the Free Software
 *       Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. 
 * 
 */
package ca.usherbrooke.behaviours.goal;

import java.util.Set;

import ca.usherbrooke.agent.goal.BasicGoalAgent;
import ca.usherbrooke.behaviours.BasicBehaviour;
import ca.usherbrooke.goal.EntityGoal;
import ca.usherbrooke.model.world.IWorldModel;

/**
 * @author Cody Stoutenburg
 * 
 */
public class UpdateGoalBehaviour extends BasicBehaviour<BasicGoalAgent> {
	private static final long serialVersionUID = 1L;

	private Long lastUpdate;

	/**
	 * @param a
	 */
	public UpdateGoalBehaviour(BasicGoalAgent a) {
		super(a);
		lastUpdate = 0L;
	}

	@Override
	public void action() {
		IWorldModel world = this.getAgent().getWorld();
		Long currentTime = world.getRealTimeElapse();
		Long timeElapse = currentTime - lastUpdate;

		if (timeElapse > 0) {
			Set<EntityGoal> allGoals = this.getAgent().getAllEntityGoal();
			for (EntityGoal goal : allGoals) {
				goal.updateGoals(world, timeElapse);
			}
			lastUpdate = currentTime;
		}
	}

	@Override
	public boolean done() {
		return false;
	}
}
